Savvio 15K.1 FC User Guide
Page 16
... or through interface com- For 4 gigabit operation, the block size must be divisable by 8 • Integrated dual port FC-AL controller • Concurrent dual port transfers • Support for FC arbitrated loop, private and public attachment • Differential copper FC drivers and receivers • Downloadable firmware using the FC-AL interface • Supports SCSI enclosure services via interface connector • 128-deep task set on the drive. • Fibre...
... or through interface com- For 4 gigabit operation, the block size must be divisable by 8 • Integrated dual port FC-AL controller • Concurrent dual port transfers • Support for FC arbitrated loop, private and public attachment • Differential copper FC drivers and receivers • Downloadable firmware using the FC-AL interface • Supports SCSI enclosure services via interface connector • 128-deep task set on the drive. • Fibre...
Savvio 15K.1 FC User Guide
Page 23
...-fly is determined using read , and using DC power as defined in paragraph 6.2, "DC power requirements." • Errors caused by host system failures are excluded from error rate computations. • Assume random data. • Default OEM error recovery settings are those detected and corrected by the drive, and do not require user intervention. Error rate specified with automatic retries and data correction with ECC enabled and all interface timings, power supply voltages, environmental requirements and...
...-fly is determined using read , and using DC power as defined in paragraph 6.2, "DC power requirements." • Errors caused by host system failures are excluded from error rate computations. • Assume random data. • Default OEM error recovery settings are those detected and corrected by the drive, and do not require user intervention. Error rate specified with automatic retries and data correction with ECC enabled and all interface timings, power supply voltages, environmental requirements and...
Savvio 15K.1 FC User Guide
Page 26
... rate, error events are reset and the process starts over the interface when the temperature exceeds a set thresholds for the number of errors exceeds the threshold before the interval expires, the error rate is uninterruptable. Error rate is the number of operations is a separate Failure History Counter for each attribute. 5.2.5 Thermal monitor Savvio drives implement a temperature warning system which errors occur and signals a predictive failure if the rate of time. Predictive failures...
... rate, error events are reset and the process starts over the interface when the temperature exceeds a set thresholds for the number of errors exceeds the threshold before the interval expires, the error rate is uninterruptable. Error rate is the number of operations is a separate Failure History Counter for each attribute. 5.2.5 Thermal monitor Savvio drives implement a temperature warning system which errors occur and signals a predictive failure if the rate of time. Predictive failures...
Savvio 15K.1 FC User Guide
Page 76
... www.seagate.com. Contact your serial number and model or part number available. Additional information, including an online request form and data loss prevention resources, is available at http://services.seagate.com/index.aspx Authorized Service Centers Seagate Service Centers are currently located throughout the world. . Customer Service Operations Warranty Service Seagate offers worldwide customer support for all formats and all brands of storage media. Resellers or end users of drive products should...
... www.seagate.com. Contact your serial number and model or part number available. Additional information, including an online request form and data loss prevention resources, is available at http://services.seagate.com/index.aspx Authorized Service Centers Seagate Service Centers are currently located throughout the world. . Customer Service Operations Warranty Service Seagate offers worldwide customer support for all formats and all brands of storage media. Resellers or end users of drive products should...
Savvio 15K.1 FC User Guide
Page 79
... 23, 24 Mean time between failures 16 media description 9 minimum sector interleave 12 miscellaneous feature support Adaptive caching 56 Asynchronous event notification 56 Automatic contingent allegiance 56 Deferred error handling 56 FC-AL selective reset 56 Parameter rounding 56 Queue tagging 56 Reporting actual retry count 56 Segmented caching 56 SMP = 1 in Mode Select command 56 Synchronized (locked) spindle operation 56 Zero latency read /write data 11 host equipment...
... 23, 24 Mean time between failures 16 media description 9 minimum sector interleave 12 miscellaneous feature support Adaptive caching 56 Asynchronous event notification 56 Automatic contingent allegiance 56 Deferred error handling 56 FC-AL selective reset 56 Parameter rounding 56 Queue tagging 56 Reporting actual retry count 56 Segmented caching 56 SMP = 1 in Mode Select command 56 Synchronized (locked) spindle operation 56 Zero latency read /write data 11 host equipment...
Savvio 15K.1 FC User Guide
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... and service 16 repair and return information 22 reporting actual retry count 56 Request sense command 50 reservation conflict status 56 Reserve command 50 Reserved (10) command 53 resonance 31 return information 22 Rezero unit command 50 Rigid disc drive geometry page command 51 rotation speed 11 running disparity 17 S safety 3 SCA part numbers 58 SCSI Commands Reference Manual 5 SCSI interface commands supported 50 Search data equal command 52 high command 52 low command 52 Seek command...
... and service 16 repair and return information 22 reporting actual retry count 56 Request sense command 50 reservation conflict status 56 Reserve command 50 Reserved (10) command 53 resonance 31 return information 22 Rezero unit command 50 Rigid disc drive geometry page command 51 rotation speed 11 running disparity 17 S safety 3 SCA part numbers 58 SCSI Commands Reference Manual 5 SCSI interface commands supported 50 Search data equal command 52 high command 52 low command 52 Seek command...
Savvio 15K.1 SAS Product Manual
Page 14
...Adaptive seek velocity; improved seek performance 8 Savvio 15K SAS Product Manual, Rev. 3.1 Standard features Savvio drives have the following standard features: • Perpendicular recording technology • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol • Support for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128-deep task set (queue) • Supports up to 32 initiators • Jumperless configuration • User-selectable logical block size...
...Adaptive seek velocity; improved seek performance 8 Savvio 15K SAS Product Manual, Rev. 3.1 Standard features Savvio drives have the following standard features: • Perpendicular recording technology • 1.5 / 3 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol • Support for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128-deep task set (queue) • Supports up to 32 initiators • Jumperless configuration • User-selectable logical block size...
Savvio 15K.1 SAS Product Manual
Page 19
... SAS Interface Manual. The drive dynamically creates and removes segments based on the way to the initiator. The drive keeps track of the logical block addresses of the prefetch/cache operation: Case A-read data, but only as a cache. If the cache is enabled (see if any logical blocks that makes use of a drive buffer storage area where the data to be written to which data is read caching is enabled (RCD=0), then data...
... SAS Interface Manual. The drive dynamically creates and removes segments based on the way to the initiator. The drive keeps track of the logical block addresses of the prefetch/cache operation: Case A-read data, but only as a cache. If the cache is enabled (see if any logical blocks that makes use of a drive buffer storage area where the data to be written to which data is read caching is enabled (RCD=0), then data...
Savvio 15K.1 SAS Product Manual
Page 21
... read operations, but not caused by the drive, and do not require user intervention. Recovered Data error rate is determined using write bits transferred for purposes of the drive to head/media or write problems. Unrecoverable data errors are treated as a failure of recovered error specifications. If an unrecoverable data error is not considered for recoverable errors occurring during a read . This includes AWRE, ARRE, full read retries, full write retries and full retry time. 5.1.1 Recoverable Errors Recovereable errors...
... read operations, but not caused by the drive, and do not require user intervention. Recovered Data error rate is determined using write bits transferred for purposes of the drive to head/media or write problems. Unrecoverable data errors are treated as a failure of recovered error specifications. If an unrecoverable data error is not considered for recoverable errors occurring during a read . This includes AWRE, ARRE, full read retries, full write retries and full retry time. 5.1.1 Recoverable Errors Recovereable errors...
Savvio 15K.1 SAS Product Manual
Page 23
... current number of a failure to allow you to as the drive performs normal read and write operations. The drive measures and saves parameters once every two hours subject to the reporting method, the firmware will not perform off-line functions. Subject to an idle period on the Informational Exceptions Control mode page (1Ch). To determine rate, error events are optimized to changing the plane of S.M.A.R.T. Savvio 15K SAS Product Manual...
... current number of a failure to allow you to as the drive performs normal read and write operations. The drive measures and saves parameters once every two hours subject to the reporting method, the firmware will not perform off-line functions. Subject to an idle period on the Informational Exceptions Control mode page (1Ch). To determine rate, error events are optimized to changing the plane of S.M.A.R.T. Savvio 15K SAS Product Manual...
Savvio 15K.1 SAS Product Manual
Page 81
... 9 specifications 15 reliability and service 16 repair and return information 21 reporting actual retry count 53 reservation conflict status 53 resonance 30 return information 21 rotation speed 11 S safety 3 SAS interface 57 physical interface 54 task management functions 43 SAS documents 5 SAS Interface Manual 3, 5 SCSI interface commands supported 45 seek error defined 16 rate 15 seek performance characteristics 11 seek time average typical 11 full stroke typical 11 single track typical 11 segmented caching 53...
... 9 specifications 15 reliability and service 16 repair and return information 21 reporting actual retry count 53 reservation conflict status 53 resonance 30 return information 21 rotation speed 11 S safety 3 SAS interface 57 physical interface 54 task management functions 43 SAS documents 5 SAS Interface Manual 3, 5 SCSI interface commands supported 45 seek error defined 16 rate 15 seek performance characteristics 11 seek time average typical 11 full stroke typical 11 single track typical 11 segmented caching 53...
Savvio 15K SAS Product Manual
Page 16
... fanout adapters • Firmware downloadable using the SAS interface • 128-deep task set (queue) • Supports up to 32 initiators • Jumperless configuration • User-selectable logical block size (512, 520, 524, or 528 bytes per logical block) • Industry standard SFF 2.5-inch dimensions • Programmable logical block reallocation scheme • Flawed logical block reallocation at format time • Programmable auto write and read reallocation...
... fanout adapters • Firmware downloadable using the SAS interface • 128-deep task set (queue) • Supports up to 32 initiators • Jumperless configuration • User-selectable logical block size (512, 520, 524, or 528 bytes per logical block) • Industry standard SFF 2.5-inch dimensions • Programmable logical block reallocation scheme • Flawed logical block reallocation at format time • Programmable auto write and read reallocation...
Savvio 15K SAS Product Manual
Page 22
... 15. If read caching is enabled (RCD=0), then data written to the medium is retained in Mode page 00h (byte 2, bit 1) is not likely to occur. 14 Savvio 15K SAS Product Manual, Rev. If there are, the respective cache segments are to do with the Mode Select Disconnect/Reconnect parameters, page 02h. 2. If the number of write data logical blocks exceed the size of the segment...
... 15. If read caching is enabled (RCD=0), then data written to the medium is retained in Mode page 00h (byte 2, bit 1) is not likely to occur. 14 Savvio 15K SAS Product Manual, Rev. If there are, the respective cache segments are to do with the Mode Select Disconnect/Reconnect parameters, page 02h. 2. If the number of write data logical blocks exceed the size of the segment...
Savvio 15K SAS Product Manual
Page 23
... seeks Less than 10 errors in 1012 bits transferred (OEM default settings) Less than 1 sector in 1016 bits transferred Less than 1 sector in 1021 bits transferred Less than 1 error in paragraph 6.2, "DC power requirements." • Errors caused by the drive, and do not require user intervention. Error rate specified with automatic retries and data correction with this manual assume the following reliability specifications assume correct host and drive operational interface, including all interface timings, power supply voltages...
... seeks Less than 10 errors in 1012 bits transferred (OEM default settings) Less than 1 sector in 1016 bits transferred Less than 1 sector in 1021 bits transferred Less than 1 error in paragraph 6.2, "DC power requirements." • Errors caused by the drive, and do not require user intervention. Error rate specified with automatic retries and data correction with this manual assume the following reliability specifications assume correct host and drive operational interface, including all interface timings, power supply voltages...
Savvio 15K SAS Product Manual
Page 82
... head and disc assembly (HDA) 7 head and disc assembly. See MTBF media description 8 Media Pre-Scan 37 miscellaneous feature support Adaptive caching 53 Asynchronous event notification 53 Automatic contingent allegiance 53 Deferred error handling 53 Parameter rounding 53 Queue tagging 53 Reporting actual retry count 53 Segmented caching 53 SMP = 1 in Mode Select command 53 Synchronized (locked) spindle operation 53 Zero latency read /write data 11 heat removal...
... head and disc assembly (HDA) 7 head and disc assembly. See MTBF media description 8 Media Pre-Scan 37 miscellaneous feature support Adaptive caching 53 Asynchronous event notification 53 Automatic contingent allegiance 53 Deferred error handling 53 Parameter rounding 53 Queue tagging 53 Reporting actual retry count 53 Segmented caching 53 SMP = 1 in Mode Select command 53 Synchronized (locked) spindle operation 53 Zero latency read /write data 11 heat removal...
Savvio 15K SAS Product Manual
Page 83
... Errors 15 Savvio 15K SAS Product Manual, Rev. B recovered media data 15 reference documents 5 relative humidity 29 reliability 9 specifications 15 reliability and service 16 repair and return information 21 reporting actual retry count 53 reservation conflict status 53 resonance 30 return information 21 rotation speed 11 S safety 3 SAS interface 57 physical interface 54 task management functions 43 SAS documents 5 SAS Interface Manual 3, 5 SCSI interface commands supported 45 seek error defined 16 rate 15 seek performance characteristics 11 seek time...
... Errors 15 Savvio 15K SAS Product Manual, Rev. B recovered media data 15 reference documents 5 relative humidity 29 reliability 9 specifications 15 reliability and service 16 repair and return information 21 reporting actual retry count 53 reservation conflict status 53 resonance 30 return information 21 rotation speed 11 S safety 3 SAS interface 57 physical interface 54 task management functions 43 SAS documents 5 SAS Interface Manual 3, 5 SCSI interface commands supported 45 seek error defined 16 rate 15 seek performance characteristics 11 seek time...
Savvio 15K.3 SAS Product Manual
Page 16
4.1 Standard features Savvio drives have the following standard features: • Perpendicular recording technology • 1.5 / 3 / 6 Gb Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol • Support for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128-deep task set (queue) • Supports up to 32 initiators • Jumperless configuration • User-selectable logical block size (512, 520, 524, or 528 bytes per logical...
4.1 Standard features Savvio drives have the following standard features: • Perpendicular recording technology • 1.5 / 3 / 6 Gb Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol • Support for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128-deep task set (queue) • Supports up to 32 initiators • Jumperless configuration • User-selectable logical block size (512, 520, 524, or 528 bytes per logical...
Savvio 15K.3 SAS Product Manual
Page 22
... use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - The new data is retained in the buffer for read cache hits. The Synchronize Cache command may return Good status on the disk immediately beyond that which was written there at the beginning of the operation; To enable prefetch, use the Max Prefetch field (bytes 8 and 9) or the Prefetch Ceiling field (bytes 10 and 11). 5.5.1 Caching write data Write caching...
... use Mode Select page 08h, byte 12, bit 5 (Disable Read Ahead - The new data is retained in the buffer for read cache hits. The Synchronize Cache command may return Good status on the disk immediately beyond that which was written there at the beginning of the operation; To enable prefetch, use the Max Prefetch field (bytes 8 and 9) or the Prefetch Ceiling field (bytes 10 and 11). 5.5.1 Caching write data Write caching...
Savvio 15K.2 SAS Product Manual
Page 15
Savvio 15K.2 SAS Product Manual, Rev. G 7 4.1 Standard features Savvio drives have the following standard features: • Perpendicular recording technology • 1.5 / 3 / 6 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol • Support for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128-deep task set (queue) • Supports up to 32 initiators • Jumperless configuration • User-selectable logical block size (512, 520, 524, or 528...
Savvio 15K.2 SAS Product Manual, Rev. G 7 4.1 Standard features Savvio drives have the following standard features: • Perpendicular recording technology • 1.5 / 3 / 6 Gbit Serial Attached SCSI (SAS) interface • Integrated dual port SAS controller supporting the SCSI protocol • Support for SAS expanders and fanout adapters • Firmware downloadable using the SAS interface • 128-deep task set (queue) • Supports up to 32 initiators • Jumperless configuration • User-selectable logical block size (512, 520, 524, or 528...
Savvio 15K.2 SAS Product Manual
Page 21
....2 SAS Product Manual, Rev. G 13 Table 9 shows the mode default settings for the drive. 5.5.2 Prefetch operation If the Prefetch feature is enabled, data in contiguous logical blocks on a write command after the data has been transferred into , when the end of the segment is reached, the data is cached for subsequent Read commands. DRA bit). The same buffer space and segmentation is disabled). If an error occurs while writing the data to...
....2 SAS Product Manual, Rev. G 13 Table 9 shows the mode default settings for the drive. 5.5.2 Prefetch operation If the Prefetch feature is enabled, data in contiguous logical blocks on a write command after the data has been transferred into , when the end of the segment is reached, the data is cached for subsequent Read commands. DRA bit). The same buffer space and segmentation is disabled). If an error occurs while writing the data to...